TY  - JOUR
AU  - Harary, Frank
AU  - Palmer, Edgar
AU  - Smith, Cedric
TI  - Which Graphs have only Self-Converse Orientations?
JO  - Canadian mathematical bulletin
PY  - 1967
SP  - 425
EP  - 429
VL  - 10
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1967-040-0/
DO  - 10.4153/CMB-1967-040-0
ID  - 10_4153_CMB_1967_040_0
ER  -